Copyright for electric source package in Focal

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Electric
Source: ftp://ftp.gnu.org/pub/gnu/electric
Files-Excluded:
 *.jar
 *.class
 com/sun/electric/tool/user/MacOSXInterface.java


Files: *
Copyright: 2000-2013, Oracle and/or its affiliates
                      Static Free Software
                      Sun Microsystems
                      Karlsruhe Institute of Technology (KIT)
                      and other contributors
License: GPL-3+

Files: debian/*
Copyright: 2000-2002, Chris Ruffin 
           2004-2005, Kyle McMartin 
           2006,      Kai Hendry 
           2008,      Ralf Treinen 
           2008-2010, Onkar Shinde 
           2011,      Torsten Werner 
           2014-2018, Markus Koschany 
License: GPL-3+

License: GPL-3+
 On Debian systems the complete text of the GNU General Public License 3
 can be found in `/usr/share/common-licenses/GPL-3'.